《城鎮(zhèn)供熱直埋熱水管道技術(shù)規(guī)程》(CJJ/T81-2013)【全文附高清無水印PDF+可編輯Word版下載】英文名稱:Technical specification for directly buried hot-water heating pipeline in city簡介:為規(guī)范城鎮(zhèn)供熱直埋熱水管道工程的設(shè)計、施